[INFO] updating cached repository mohan82/crime_statistics_nsw
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mohan82/crime_statistics_nsw
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mohan82/crime_statistics_nsw" "work/ex/beta-1.38-1/sources/1.37.0/gh/mohan82/crime_statistics_nsw"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mohan82/crime_statistics_nsw'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mohan82/crime_statistics_nsw" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mohan82/crime_statistics_nsw"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mohan82/crime_statistics_nsw'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 72fb4a422626d3d68117a17261d067c8e1811b77
[INFO] sha for GitHub repo mohan82/crime_statistics_nsw: 72fb4a422626d3d68117a17261d067c8e1811b77
[INFO] validating manifest of mohan82/crime_statistics_nsw on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mohan82/crime_statistics_nsw on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mohan82/crime_statistics_nsw
[INFO] finished frobbing mohan82/crime_statistics_nsw
[INFO] frobbed toml for mohan82/crime_statistics_nsw written to work/ex/beta-1.38-1/sources/1.37.0/gh/mohan82/crime_statistics_nsw/Cargo.toml
[INFO] started frobbing mohan82/crime_statistics_nsw
[INFO] finished frobbing mohan82/crime_statistics_nsw
[INFO] frobbed toml for mohan82/crime_statistics_nsw written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mohan82/crime_statistics_nsw/Cargo.toml
[INFO] crate mohan82/crime_statistics_nsw already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mohan82/crime_statistics_nsw against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mohan82/crime_statistics_nsw:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 5f0d7c5eefdeaf548d860004eeca9890c9e1c2e6e08c92841fc48704dbb5f8fd
[INFO] running `"docker" "start" "-a" "5f0d7c5eefdeaf548d860004eeca9890c9e1c2e6e08c92841fc48704dbb5f8fd"`
[INFO] [stderr]    Compiling crime_statistics_nsw v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |             let mut file = BufReader::new(&fh);
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `StatsRecord`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     struct StatsRecord {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "5f0d7c5eefdeaf548d860004eeca9890c9e1c2e6e08c92841fc48704dbb5f8fd"`
[INFO] running `"docker" "rm" "-f" "5f0d7c5eefdeaf548d860004eeca9890c9e1c2e6e08c92841fc48704dbb5f8fd"`
[INFO] [stdout] 5f0d7c5eefdeaf548d860004eeca9890c9e1c2e6e08c92841fc48704dbb5f8fd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mohan82/crime_statistics_nsw:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] a7315cc046743bce17cd27d91f8c891dd1ccc2bb16d1c17c18dc3c7e92dabf4b
[INFO] running `"docker" "start" "-a" "a7315cc046743bce17cd27d91f8c891dd1ccc2bb16d1c17c18dc3c7e92dabf4b"`
[INFO] [stderr]    Compiling crime_statistics_nsw v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |             let mut file = BufReader::new(&fh);
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `StatsRecord`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     struct StatsRecord {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "a7315cc046743bce17cd27d91f8c891dd1ccc2bb16d1c17c18dc3c7e92dabf4b"`
[INFO] running `"docker" "rm" "-f" "a7315cc046743bce17cd27d91f8c891dd1ccc2bb16d1c17c18dc3c7e92dabf4b"`
[INFO] [stdout] a7315cc046743bce17cd27d91f8c891dd1ccc2bb16d1c17c18dc3c7e92dabf4b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mohan82/crime_statistics_nsw:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] c3794df78d70a03c59fdfdb08fcc87ca38fa7cf5675b5a51d931f416e3ad0257
[INFO] running `"docker" "start" "-a" "c3794df78d70a03c59fdfdb08fcc87ca38fa7cf5675b5a51d931f416e3ad0257"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/crime_statistics_nsw-3915a70aafc7f8c6
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c3794df78d70a03c59fdfdb08fcc87ca38fa7cf5675b5a51d931f416e3ad0257"`
[INFO] running `"docker" "rm" "-f" "c3794df78d70a03c59fdfdb08fcc87ca38fa7cf5675b5a51d931f416e3ad0257"`
[INFO] [stdout] c3794df78d70a03c59fdfdb08fcc87ca38fa7cf5675b5a51d931f416e3ad0257